123012323 has 16 divisors (see below), whose sum is σ = 149299200. Its totient is φ = 98941056.

The previous prime is 123012319. The next prime is 123012343. The reversal of 123012323 is 323210321.

It is a cyclic number.

It is not a de Polignac number, because 123012323 - 2² = 123012319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123012313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44228 + ... + 46926.

It is an arithmetic number, because the mean of its divisors is an integer number (9331200).

Almost surely, 2^123012323 is an apocalyptic number.

123012323 is a deficient number, since it is larger than the sum of its proper divisors (26286877).

123012323 is a wasteful number, since it uses less digits than its factorization.

123012323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3106.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 123012323 is about 11091.0920562404. The cubic root of 123012323 is about 497.3355910699.

Adding to 123012323 its reverse (323210321), we get a palindrome (446222644).

The spelling of 123012323 in words is "one hundred twenty-three million, twelve thousand, three hundred twenty-three".